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Finding the Third Proportional to 77,208,651 and 169,719,498

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Solution

The third proportional to 77,208,651 and 169,719,498 is: 373,076,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,208,651 : 169,719,498 = 169,719,498 : x
  2. Step 2: Convert to fraction form
    77,208,651/169,719,498 = 169,719,498/x
  3. Step 3: Cross multiply
    77,208,651x = 169,719,498 × 169,719,498
  4. Step 4: Simplify right side
    77,208,651x = 28,804,708,001,372,004
  5. Step 5: Solve for x
    x = 28,804,708,001,372,004/77,208,651
  6. Step 6: Final answer
    x = 373,076,172.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.